Which antibiotic wins against MRSA in the blood? new trial aims to find out
NCT ID NCT06637332
First seen Jun 27, 2026 · Last updated Sep 10, 2026 · Updated 4 times
Summary
This study compares two common antibiotics, daptomycin and vancomycin, to see which one works better for adults with MRSA bloodstream infections. About 300 participants will be randomly assigned to one of the two drugs. The goal is to find which treatment leads to fewer complications and better survival.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2024
- Expected to finish
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Nov 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
The participant must meet all inclusion and exclusion criteria for the SNAP Platform (NCT05137119) and also the following inclusion and exclusion criteria: Inclusion Criteria: * Methicillin-resistant S. aureus bacteremia Exclusion Criteria: * Severe allergy or non-severe rash to vancomycin or daptomycin * Suspected or confirmed MRSA pneumonia * Known vancomycin minimum inhibitory concentration (MIC) greater than or equal to 2mg/L or daptomycin MIC greater than or equal to 1mg/L
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
20 sites in 3 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Blacktown Hospital
RECRUITINGBlacktown, New South Wales, NSW 2148, Australia
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Box Hill Hospital
RECRUITINGBox Hill, Victoria, 3128, Australia
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Concord Repatriation and General Hospital
RECRUITINGConcord, New South Wales, 2139, Australia
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Fiona Stanley Hospital
RECRUITINGMurdoch, Western Australia, 6150, Australia
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Flinders Medical Centre
RECRUITINGBedford Park, South Australia, 5042, Australia
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Fraser Health Authority (Surrey Memorial Hospital)
RECRUITINGSurrey, British Columbia, V3V1Z2, Canada
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Hamilton Health Sciences (Hamilton General Hospital and Juravinski Hospital)
RECRUITINGHamilton, Ontario, L8L 2X2, Canada
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Jewish General Hospital
RECRUITINGMontreal, Quebec, H3T 1E2, Canada
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John Hunter Hospital
RECRUITINGNewcastle, New South Wales, 2305, Australia
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McGill University Health Centre (Royal Victoria Hospital and Montreal General Hospital)
RECRUITINGMontreal, Quebec, H4A3S1, Canada
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Middlemore Hospital
RECRUITINGOtahuhu, Auckland, New Zealand
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Monash Health - Casey Hospital
RECRUITINGBerwick, Victoria, 3806, Australia
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Monash Medical Campus (Monash Medical Centre + Jesse McPherson Private Hospital)
RECRUITINGClayton, Victoria, 3168, Australia
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Newfoundland Health Services (Health Sciences Centre and St. Clare's Mercy Hospital)
RECRUITINGSt. John's, Newfoundland and Labrador, Canada
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Royal Brisbane and Women's Hospital
RECRUITINGHerston, Queensland, 4029, Australia
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Royal Melbourne Hospital
RECRUITINGParkville, Victoria, 3050, Australia
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Royal Perth Hospital
RECRUITINGPerth, Western Australia, 6000, Australia
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Sunnybrook Health Sciences Centre
RECRUITINGToronto, Ontario, M4N 3M5, Canada
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University of Alberta Hospital
RECRUITINGEdmonton, Alberta, Canada
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Westmead Hospital
RECRUITINGWestmead, New South Wales, 2145, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- New combo therapy aims to beat staph blood infections
- Double trouble for staph: could two antibiotics beat one?
- Could a common heart drug fight staph infections too?
- Home IV antibiotics for opioid users: a tiny pilot shows promise
- Could less be more? major trial questions routine antibiotic for heart valve infections